6900049 has 4 divisors (see below), whose sum is σ = 7430836. Its totient is φ = 6369264.

The previous prime is 6900001. The next prime is 6900053. The reversal of 6900049 is 9400096.

6900049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1918225 + 4981824 = 1385^2 + 2232^2 .

It is a cyclic number.

It is not a de Polignac number, because 6900049 - 2⁹ = 6899537 is a prime.

It is a super-2 number, since 2×6900049² = 95221352404802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6900149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265374 + ... + 265399.

It is an arithmetic number, because the mean of its divisors is an integer number (1857709).

Almost surely, 2^6900049 is an apocalyptic number.

It is an amenable number.

6900049 is a deficient number, since it is larger than the sum of its proper divisors (530787).

6900049 is a wasteful number, since it uses less digits than its factorization.

6900049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530786.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 6900049 is about 2626.7944342868. The cubic root of 6900049 is about 190.3782768481.

The spelling of 6900049 in words is "six million, nine hundred thousand, forty-nine".